{"id":1860,"date":"2026-06-16T05:43:17","date_gmt":"2026-06-16T05:43:17","guid":{"rendered":"http:\/\/mingyu.njfmz.com\/?post_type=case&#038;p=1860"},"modified":"2026-06-23T01:55:14","modified_gmt":"2026-06-23T01:55:14","slug":"%e7%9b%90%e5%9f%8e%e5%b8%82%e9%99%88%e5%ae%b6%e6%b8%af%e6%9f%90%e5%8c%96%e5%ad%a6%e5%b7%a5%e4%b8%9a%e5%ba%9f%e6%b0%b4%e5%a4%84%e7%90%86%e5%b7%a5%e7%a8%8b","status":"publish","type":"case","link":"https:\/\/www.mingyuhb.com\/en\/case\/%e7%9b%90%e5%9f%8e%e5%b8%82%e9%99%88%e5%ae%b6%e6%b8%af%e6%9f%90%e5%8c%96%e5%ad%a6%e5%b7%a5%e4%b8%9a%e5%ba%9f%e6%b0%b4%e5%a4%84%e7%90%86%e5%b7%a5%e7%a8%8b\/","title":{"rendered":"Xiangshui County Chemical Wastewater Treatment Project"},"content":{"rendered":"<p><strong>Project Overview<\/strong><\/p>\n<ul>\n<li>Located in the Chenjiagang Chemical Industrial Park, Xiangshui County, the company is a private technology-driven enterprise specializing in the R&amp;D and production of fine chemicals, with independent import and export rights. Its core product portfolio covers three major series\u2014bromine, hydrogenation, and chlorination\u2014comprising over 60 fine chemical products with an annual production capacity exceeding 20,000 tons. These products are widely used in pharmaceuticals, pesticides, dyes, electronic chemicals, and other industries.<\/li>\n<li>The project is designed with a wastewater treatment capacity of 60 m\u00b3\/d, with equipment installation and commissioning now completed.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Key Technical Challenges<\/strong><\/p>\n<ul>\n<li>The wastewater primarily originates from bromination, hydrogenation, and chlorination processes in fine chemical production.<\/li>\n<li>It contains high concentrations of halogenated organics, anilines, volatile phenols, salts, COD, and ammonia nitrogen, classifying it as a refractory, high-salinity, toxic, and hazardous chemical wastewater stream.<\/li>\n<li>Intermittent production and frequent product changeovers cause pulsed fluctuations in both water quality and flow rate, making it impossible for a single treatment process to ensure consistent compliance.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>Process Flow<\/strong><\/p>\n<ul>\n<li><strong>High-salinity wastewater:\u00a0<\/strong>High-salinity wastewater \u2192 Three-Effect Evaporation Desalination System \u2192 Collection Tank<\/li>\n<li><strong>Phenolic-containing wastewater:<\/strong>Collection Tank (including desalinated wastewater) \u2192 Electrochemical Unit \u2192 Electro-flotation Separator \u2192 Comprehensive Equalization Tank<\/li>\n<li><strong>Other low-concentration wastewater:<\/strong>Other low-concentration wastewater \u2192 Comprehensive Equalization Tank<\/li>\n<li><strong>Combined wastewater:\u00a0<\/strong>Comprehensive Equalization Tank \u2192 Hydrolysis Acidification Tank \u2192 Aerobic Tank \u2192 Secondary Sedimentation Tank \u2192 Clear Water Tank \u2192 Industrial Park WWTP<\/li>\n<\/ul>","protected":false},"featured_media":2085,"parent":0,"menu_order":29,"template":"","format":"standard","categories":[4],"class_list":["post-1860","case","type-case","status-publish","format-standard","has-post-thumbnail","hentry","categories-specialty-chemical-effluent"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/case\/1860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/case"}],"about":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/types\/case"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/media\/2085"}],"wp:attachment":[{"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/media?parent=1860"}],"wp:term":[{"taxonomy":"categories","embeddable":true,"href":"https:\/\/www.mingyuhb.com\/en\/wp-json\/wp\/v2\/categories?post=1860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}